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Side by Side Diff: Source/core/platform/animation/TimingFunctionTestHelper.cpp

Issue 112463008: Move core/platform/animation files (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Add comments and platform tests Created 6 years, 11 months ago
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1 /*
2 * Copyright (c) 2013, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "core/platform/animation/TimingFunctionTestHelper.h"
33
34
35 namespace WebCore {
36
37 // This class exists so that ChainedTimingFunction only needs to friend one thin g.
38 class ChainedTimingFunctionTestHelper {
39 static void PrintTo(const ChainedTimingFunction& timingFunction, ::std::ostr eam* os)
40 {
41 // Forward declare the generic PrintTo function as ChainedTimingFunction needs to call it.
42 void PrintTo(const TimingFunction&, ::std::ostream*);
43
44 *os << "ChainedTimingFunction@" << &timingFunction << "(";
45 for (size_t i = 0; i < timingFunction.m_segments.size(); i++) {
46 ChainedTimingFunction::Segment segment = timingFunction.m_segments[i ];
47 PrintTo(*(segment.m_timingFunction.get()), os);
48 *os << "[" << segment.m_min << " -> " << segment.m_max << "]";
49 if (i+1 != timingFunction.m_segments.size()) {
50 *os << ", ";
51 }
52 }
53 *os << ")";
54 }
55
56 static bool equals(const ChainedTimingFunction& lhs, const TimingFunction& r hs)
57 {
58 if (rhs.type() != TimingFunction::ChainedFunction)
59 return false;
60
61 if (&lhs == &rhs)
62 return true;
63
64 const ChainedTimingFunction& ctf = toChainedTimingFunction(rhs);
65 if (lhs.m_segments.size() != ctf.m_segments.size())
66 return false;
67
68 for (size_t i = 0; i < lhs.m_segments.size(); i++) {
69 if (!equals(lhs.m_segments[i], ctf.m_segments[i]))
70 return false;
71 }
72 return true;
73 }
74
75 static bool equals(const ChainedTimingFunction::Segment& lhs, const ChainedT imingFunction::Segment& rhs)
76 {
77 if (&lhs == &rhs)
78 return true;
79
80 if ((lhs.m_min != rhs.m_min) || (lhs.m_max != rhs.m_max))
81 return false;
82
83 if (lhs.m_timingFunction == rhs.m_timingFunction)
84 return true;
85
86 ASSERT(lhs.m_timingFunction);
87 ASSERT(rhs.m_timingFunction);
88
89 return (*(lhs.m_timingFunction.get())) == (*(rhs.m_timingFunction.get()) );
90 }
91
92 friend void PrintTo(const ChainedTimingFunction&, ::std::ostream*);
93 friend bool operator==(const ChainedTimingFunction& lhs, const TimingFunctio n& rhs);
94 };
95
96 void PrintTo(const LinearTimingFunction& timingFunction, ::std::ostream* os)
97 {
98 *os << "LinearTimingFunction@" << &timingFunction;
99 }
100
101 void PrintTo(const CubicBezierTimingFunction& timingFunction, ::std::ostream* os )
102 {
103 *os << "CubicBezierTimingFunction@" << &timingFunction << "(";
104 switch (timingFunction.subType()) {
105 case CubicBezierTimingFunction::Ease:
106 *os << "Ease";
107 break;
108 case CubicBezierTimingFunction::EaseIn:
109 *os << "EaseIn";
110 break;
111 case CubicBezierTimingFunction::EaseOut:
112 *os << "EaseOut";
113 break;
114 case CubicBezierTimingFunction::EaseInOut:
115 *os << "EaseInOut";
116 break;
117 case CubicBezierTimingFunction::Custom:
118 *os << "Custom";
119 break;
120 default:
121 ASSERT_NOT_REACHED();
122 }
123 *os << ", " << timingFunction.x1();
124 *os << ", " << timingFunction.y1();
125 *os << ", " << timingFunction.x2();
126 *os << ", " << timingFunction.y2();
127 *os << ")";
128 }
129
130 void PrintTo(const StepsTimingFunction& timingFunction, ::std::ostream* os)
131 {
132 *os << "StepsTimingFunction@" << &timingFunction << "(";
133 switch (timingFunction.subType()) {
134 case StepsTimingFunction::Start:
135 *os << "Start";
136 break;
137 case StepsTimingFunction::End:
138 *os << "End";
139 break;
140 case StepsTimingFunction::Custom:
141 *os << "Custom";
142 break;
143 default:
144 ASSERT_NOT_REACHED();
145 }
146 *os << ", " << timingFunction.numberOfSteps();
147 *os << ", " << (timingFunction.stepAtStart() ? "true" : "false");
148 *os << ")";
149 }
150
151 void PrintTo(const ChainedTimingFunction& timingFunction, ::std::ostream* os)
152 {
153 ChainedTimingFunctionTestHelper::PrintTo(timingFunction, os);
154 }
155
156 // The generic PrintTo *must* come after the non-generic PrintTo otherwise it
157 // will end up calling itself.
158 void PrintTo(const TimingFunction& timingFunction, ::std::ostream* os)
159 {
160 switch (timingFunction.type()) {
161 case TimingFunction::LinearFunction: {
162 const LinearTimingFunction& linear = toLinearTimingFunction(timingFuncti on);
163 PrintTo(linear, os);
164 return;
165 }
166 case TimingFunction::CubicBezierFunction: {
167 const CubicBezierTimingFunction& cubic = toCubicBezierTimingFunction(tim ingFunction);
168 PrintTo(cubic, os);
169 return;
170 }
171 case TimingFunction::StepsFunction: {
172 const StepsTimingFunction& step = toStepsTimingFunction(timingFunction);
173 PrintTo(step, os);
174 return;
175 }
176 case TimingFunction::ChainedFunction: {
177 const ChainedTimingFunction& chained = toChainedTimingFunction(timingFun ction);
178 PrintTo(chained, os);
179 return;
180 }
181 default:
182 ASSERT_NOT_REACHED();
183 }
184 }
185
186 bool operator==(const LinearTimingFunction& lhs, const TimingFunction& rhs)
187 {
188 return rhs.type() == TimingFunction::LinearFunction;
189 }
190
191 bool operator==(const CubicBezierTimingFunction& lhs, const TimingFunction& rhs)
192 {
193 if (rhs.type() != TimingFunction::CubicBezierFunction)
194 return false;
195
196 const CubicBezierTimingFunction& ctf = toCubicBezierTimingFunction(rhs);
197 if ((lhs.subType() == CubicBezierTimingFunction::Custom) && (ctf.subType() = = CubicBezierTimingFunction::Custom))
198 return (lhs.x1() == ctf.x1()) && (lhs.y1() == ctf.y1()) && (lhs.x2() == ctf.x2()) && (lhs.y2() == ctf.y2());
199
200 return lhs.subType() == ctf.subType();
201 }
202
203 bool operator==(const StepsTimingFunction& lhs, const TimingFunction& rhs)
204 {
205 if (rhs.type() != TimingFunction::StepsFunction)
206 return false;
207
208 const StepsTimingFunction& stf = toStepsTimingFunction(rhs);
209 if ((lhs.subType() == StepsTimingFunction::Custom) && (stf.subType() == Step sTimingFunction::Custom))
210 return (lhs.numberOfSteps() == stf.numberOfSteps()) && (lhs.stepAtStart( ) == stf.stepAtStart());
211
212 return lhs.subType() == stf.subType();
213 }
214
215 bool operator==(const ChainedTimingFunction& lhs, const TimingFunction& rhs)
216 {
217 return ChainedTimingFunctionTestHelper::equals(lhs, rhs);
218 }
219
220 // Like in the PrintTo case, the generic operator== *must* come after the
221 // non-generic operator== otherwise it will end up calling itself.
222 bool operator==(const TimingFunction& lhs, const TimingFunction& rhs)
223 {
224 switch (lhs.type()) {
225 case TimingFunction::LinearFunction: {
226 const LinearTimingFunction& linear = toLinearTimingFunction(lhs);
227 return (linear == rhs);
228 }
229 case TimingFunction::CubicBezierFunction: {
230 const CubicBezierTimingFunction& cubic = toCubicBezierTimingFunction(lhs );
231 return (cubic == rhs);
232 }
233 case TimingFunction::StepsFunction: {
234 const StepsTimingFunction& step = toStepsTimingFunction(lhs);
235 return (step == rhs);
236 }
237 case TimingFunction::ChainedFunction: {
238 const ChainedTimingFunction& chained = toChainedTimingFunction(lhs);
239 return (chained == rhs);
240 }
241 default:
242 ASSERT_NOT_REACHED();
243 }
244 return false;
245 }
246
247 // No need to define specific operator!= as they can all come via this function.
248 bool operator!=(const TimingFunction& lhs, const TimingFunction& rhs)
249 {
250 return !(lhs == rhs);
251 }
252
253 } // namespace WebCore
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